Home / 228,383,276.68-315,169,240.42-123,961,369.32

Finding the Fourth Proportional to 228,383,276.68, 315,169,240.42 and 123,961,369.32

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Solution

The fourth proportional to 228,383,276.68, 315,169,240.42 and 123,961,369.32 is: 171,066,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,383,276.68 : 315,169,240.42 = 123,961,369.32 : x
  2. Step 2: Convert to fraction form
    228,383,276.68/315,169,240.42 = 123,961,369.32/x
  3. Step 3: Cross multiply
    228,383,276.68x = 315,169,240.42 × 123,961,369.32
  4. Step 4: Simplify right side
    228,383,276.68x = 39,068,810,610,007,488
  5. Step 5: Solve for x
    x = 39,068,810,610,007,488/228,383,276.68
  6. Step 6: Final answer
    x = 171,066,862.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.